|
| 6320 | Fraternity residential house operation | |
| 3842 | Freight car, railroad and tramway, manufacturing | |
| 3829 | Freight elevator manufacturing | |
| 7191 | Freight shipping agent | |
| 7121 | Freight transport, sea | |
| 3121 | French dressing manufacturing | |
| 3851 | Frequency analyzer manufacturing | |
| 3831 | Frequency converter manufacturing | |
| 5000 | Fresco work on construction project | |
| 1302 | Fresh water fishing | |
| 3699 | Friction material, based on mineral substance, manufacturing | |
| 3559 | Friction tape, rubber, manufacturing | |
| 3212 | Fringe cutting and sewing | |
| 3211 | Fringe manufacturing in narrow fabric textile mill | |
| 3909 | Frisket paper manufacturing | |
| 1302 | Frog catching | |
| 1302 | Frog farming | |
| 3112 | Frozen custard manufacturing | |
| 3113 | Fruit brining | |
| 3113 | Fruit butter manufacturing | |
| 3117 | Fruit cake baking | |
| 3113 | Fruit canning | |
| 3822 | Fruit cleaning machinery, agricultural manufacturing | |
| 3113 | Fruit dehydrating | |
| 3113 | Fruit drying | |
| 3113 | Fruit freezing | |
| 3822 | Fruit grading machinery, agricultural, manufacturing | |
| 1120 | Fruit grading, contract | |
| 3113 | Fruit jam manufacturing | |
| 3113 | Fruit jelly manufacturing | |
| 3113 | Fruit juice bottling | |
| 3113 | Fruit juice canning | |
| 3121 | Fruit juice extract, for soda fountain, manufacturing | |
| 3113 | Fruit packing in air tight containers | |
| 1120 | Fruit packing on contract, not in air-tight containers | |
| 3113 | Fruit paste, not confectionery, manufacturing | |
| 3113 | Fruit peel products, excluding glazed, manufacturing | |
| 1120 | Fruit picking, contract | |
| 3113 | Fruit pickling | |
| 3113 | Fruit preserving | |
